/*
 * WPA Supplicant - driver interaction with Linux Host AP driver
 * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef HOSTAP_DRIVER_H
#define HOSTAP_DRIVER_H

#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0)
#define PRISM2_IOCTL_RESET (SIOCIWFIRSTPRIV + 6)
#define PRISM2_IOCTL_HOSTAPD (SIOCDEVPRIVATE + 14)

/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */
enum {
  /* PRISM2_PARAM_PTYPE = 1, */ /* REMOVED 2003-10-22 */
  PRISM2_PARAM_TXRATECTRL = 2,
  PRISM2_PARAM_BEACON_INT = 3,
  PRISM2_PARAM_PSEUDO_IBSS = 4,
  PRISM2_PARAM_ALC = 5,
  /* PRISM2_PARAM_TXPOWER = 6, */ /* REMOVED 2003-10-22 */
  PRISM2_PARAM_DUMP = 7,
  PRISM2_PARAM_OTHER_AP_POLICY = 8,
  PRISM2_PARAM_AP_MAX_INACTIVITY = 9,
  PRISM2_PARAM_AP_BRIDGE_PACKETS = 10,
  PRISM2_PARAM_DTIM_PERIOD = 11,
  PRISM2_PARAM_AP_NULLFUNC_ACK = 12,
  PRISM2_PARAM_MAX_WDS = 13,
  PRISM2_PARAM_AP_AUTOM_AP_WDS = 14,
  PRISM2_PARAM_AP_AUTH_ALGS = 15,
  PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16,
  PRISM2_PARAM_HOST_ENCRYPT = 17,
  PRISM2_PARAM_HOST_DECRYPT = 18,
  PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19,
  PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20,
  PRISM2_PARAM_HOST_ROAMING = 21,
  PRISM2_PARAM_BCRX_STA_KEY = 22,
  PRISM2_PARAM_IEEE_802_1X = 23,
  PRISM2_PARAM_ANTSEL_TX = 24,
  PRISM2_PARAM_ANTSEL_RX = 25,
  PRISM2_PARAM_MONITOR_TYPE = 26,
  PRISM2_PARAM_WDS_TYPE = 27,
  PRISM2_PARAM_HOSTSCAN = 28,
  PRISM2_PARAM_AP_SCAN = 29,
  PRISM2_PARAM_ENH_SEC = 30,
  PRISM2_PARAM_IO_DEBUG = 31,
  PRISM2_PARAM_BASIC_RATES = 32,
  PRISM2_PARAM_OPER_RATES = 33,
  PRISM2_PARAM_HOSTAPD = 34,
  PRISM2_PARAM_HOSTAPD_STA = 35,
  PRISM2_PARAM_WPA = 36,
  PRISM2_PARAM_PRIVACY_INVOKED = 37,
  PRISM2_PARAM_TKIP_COUNTERMEASURES = 38,
  PRISM2_PARAM_DROP_UNENCRYPTED = 39,
  PRISM2_PARAM_SCAN_CHANNEL_MASK = 40,
};

/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */
enum {
  PRISM2_HOSTAPD_FLUSH = 1,
  PRISM2_HOSTAPD_ADD_STA = 2,
  PRISM2_HOSTAPD_REMOVE_STA = 3,
  PRISM2_HOSTAPD_GET_INFO_STA = 4,
  /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
  PRISM2_SET_ENCRYPTION = 6,
  PRISM2_GET_ENCRYPTION = 7,
  PRISM2_HOSTAPD_SET_FLAGS_STA = 8,
  PRISM2_HOSTAPD_GET_RID = 9,
  PRISM2_HOSTAPD_SET_RID = 10,
  PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
  PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
  PRISM2_HOSTAPD_MLME = 13,
  PRISM2_HOSTAPD_SCAN_REQ = 14,
  PRISM2_HOSTAPD_STA_CLEAR_STATS = 15,
};

#define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
#define PRISM2_HOSTAPD_RID_HDR_LEN \
((size_t) (&((struct prism2_hostapd_param *) 0)->u.rid.data))
#define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
((size_t) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data))

/* Maximum length for algorithm names (-1 for nul termination) used in ioctl()
 */
#define HOSTAP_CRYPT_ALG_NAME_LEN 16


struct prism2_hostapd_param {
  u32 cmd;
  u8 sta_addr[ETH_ALEN];
  union {
    struct {
      u16 aid;
      u16 capability;
      u8 tx_supp_rates;
    } add_sta;
    struct {
      u32 inactive_sec;
    } get_info_sta;
    struct {
      u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
      u32 flags;
      u32 err;
      u8 idx;
      u8 seq[8]; /* sequence counter (set: RX, get: TX) */
      u16 key_len;
      u8 key[0];
    } crypt;
    struct {
      u32 flags_and;
      u32 flags_or;
    } set_flags_sta;
    struct {
      u16 rid;
      u16 len;
      u8 data[0];
    } rid;
    struct {
      u8 len;
      u8 data[0];
    } generic_elem;
    struct {
#define MLME_STA_DEAUTH 0
#define MLME_STA_DISASSOC 1
      u16 cmd;
      u16 reason_code;
    } mlme;
    struct {
      u8 ssid_len;
      u8 ssid[32];
    } scan_req;
  } u;
};

#define HOSTAP_CRYPT_FLAG_SET_TX_KEY 0x01
#define HOSTAP_CRYPT_FLAG_PERMANENT 0x02

#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7

#endif /* HOSTAP_DRIVER_H */
